package com.feng.gulimall.product.exception;

import com.feng.common.exception.BizCodeEnume;
import com.feng.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * Created by FengBin on 2021/3/18 21:10
 * 集中处理所有的异常
 */

@Slf4j
@RestControllerAdvice(basePackages = "com.feng.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {

    //处理校验产生的异常信息
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        //log.error("数据校验出现问题{},异常类型{}",e.getMessage(),e.getClass());
        BindingResult result = e.getBindingResult();
        Map<String,String> map = new HashMap<>();
        result.getFieldErrors().forEach((item)-> {
            //获取错误的提示
            String message = item.getDefaultMessage();
            //获取错误的属性的名字
            String field = item.getField();
            map.put(field,message);
        });
        return R.error(BizCodeEnume.VALID_EXCEPTION.getCode(),BizCodeEnume.VALID_EXCEPTION.getMsg()).put("data",map);
    }

    //处理最大的任意类型的异常
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        log.error("error",throwable);
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(),BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }

}
